Finding the Fourth Proportional to 252,269.97, 378,456.90 and 102,509.99
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Solution
The fourth proportional to 252,269.97, 378,456.90 and 102,509.99 is: 153,786.09
Step by Step Solution
- Step 1: Write the proportion equation
252,269.97 : 378,456.90 = 102,509.99 : x - Step 2: Convert to fraction form
252,269.97/378,456.90 = 102,509.99/x - Step 3: Cross multiply
252,269.97x = 378,456.90 × 102,509.99 - Step 4: Simplify right side
252,269.97x = 38,795,611,142.15 - Step 5: Solve for x
x = 38,795,611,142.15/252,269.97 - Step 6: Final answer
x = 153,786.09
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.